- fluctuation of speed
- revolution fluctuation
- speed fluctuation
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转速波动的英文
例句与用法
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- Abstract : the simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine
文摘:对瞬时转速波动进行了仿真分析计算；实测了发动机的瞬时转速；对比了实测与仿真计算的瞬时转速波形，两者相当一致；讨论了影响瞬时转速测量精度的关键因素；提出利用瞬时转速进行故障诊断的特征参数及判据，并在诊断4120sg型柴油机气门漏气故障中得到证实 - It is discovered that the fluctuating increment of the instantaneous angular acceleration curve of crankshaft ( ay method ) put forward in this paper can be used to diagnose the power and compression condition of multi - cylinder engine in the state of shorter , more rigid crankshaft and lighter torsional vibration and in the rapidly diagnosed situation , and the ay method is better than the fluctuating increment of the instantaneous rotation speed curve of crankshaft ( n method ) which is used widely now
结果发现，在内燃机曲轴较短、刚性较大、扭振较小、对诊断速度要求很快的场合，用本文提出的曲轴瞬时角加速度波动增量j法能较准确地判断多缸内燃机各缸的作功状况和压缩状况，优于目前广泛使用的曲轴瞬时转速波动增量n法。 - The simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine
对瞬时转速波动进行了仿真分析计算；实测了发动机的瞬时转速；对比了实测与仿真计算的瞬时转速波形，两者相当一致；讨论了影响瞬时转速测量精度的关键因素；提出利用瞬时转速进行故障诊断的特征参数及判据，并在诊断4120sg型柴油机气门漏气故障中得到证实